Sanford's Sea-Eagle

A small dark bird that creeps around mossy forest understory, frequently hanging upside-down like a nuthatch. Overall dark brown with warm buffy throat and spotting down the chest. Sexes alike. Combination of dark plumage, behavior, and spotting render this species distinctive. Found singly or in pairs, often following a mixed flock through the forest. Listen for its fast, descending, tinkling trill.

Handsome bird with a long, curved bill found only in the high Andes of northern and central Peru. It is brown with chestnut wings and tail, heavily streaked underparts, and white eyebrows. Inhabits areas with dense cover to hide in, but often ventures out into the open to feed. While largely terrestrial, it often perches higher, especially to sing. Gives a variety of harsh, rattling vocalizations.

Small leaf warbler with many extremely similar relatives. Like other “Pallas’s-type” leaf warblers, has olive-yellow upperparts, pale underparts, prominent brow and crown stripes, double wingbars, and a pale rump. Unlike Ashy-throated and Buff-barred Warblers, lacks any white on outer tail edges. Pallas’s averages yellower-headed and brighter overall. Gansu and Chinese Leaf Warblers can be incredibly similar, but Lemon-rumped averages whiter-browed and yellower-bellied than the former, more contrastingly-marked on the head than the latter, and darker-billed than both. As with many other physically similar leaf warblers, best distinguished by voice and habitat. Breeds in coniferous and mixed forests at mid- to high-elevation forests, though may descend into foothills in the winter. Two song types are both highly distinctive; one is a buzzy, descending rattling trill and the other is a series of high-pitched clicking twitters. Call is a loud, strident pair of notes: “pse-tew!”